2022年中考英语复习课件基数词（共有PPT12张）

(共12张PPT)
基数词
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数词概述
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基数词的构成和读法
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高频考点
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目
录
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哪个是基数词？
one third three second ten twenty-one
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数词概述
拔高：基数词和序数词的句法功能
（1）基数词在句中可作主语、宾语、定语、表语、同位语.；
（2）序数词序数词在使用时,通常前面要加定冠词 the；在句中可作主语、宾语、定语和表语. ；
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数词的定义
表示数目多少或先后顺序的词
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数词的分类
分为基数词（如，one,two...fifteen等）和序数词（如，first,second...twelfth等）
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0 zero
1 one
2 two
3 three
4 four
5 five
6 six
7 seven
8 eight
9 nine
10 ten
11 eleven
12 twelve
0-12
写法有各自的形式
数词的构成和读法
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13 thirteen
14 fourteen
15 fifteen
16 sixteen
17 seventeen
18 eighteen
19 nighteen
13-19
都以-teen/ti:n/结尾，单词中的两个音节都是重读音
数词的构成和读法
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20 twenty
30 thirty
40 forty
50 fifty
60 sixty
70 seventy
80 eighty
90 ninety
所有整十数
整十数都是以ty /ti/ 结尾
数词的构成和读法
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21-90
在十位与各位之间加连字符“-”如fifty-one
比如：32，thirty-two，
先说几十，再说几，中间用连字符-
即，整十数+连字号-+个位数
拔高：
（1）在读法上，四位数以及四位数以上的数要在百位之后加“and”，而千位、万位以上的数不需要加任何词，只按顺序读
（2）书写四位以上的阿拉伯数字时，右起每三位加一个“，”如six billion one hundred and forty-five million six hundred and twenty-one thousand and four(6,145,621,004)
数词的构成和读法
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高频考点：
拔高：在这些词前面还可以加several,many等词语进行修饰
① 数词hundred,thousand,million,billion用来修饰名词，表多少
② 当表示“数以...计的”不确切的数时，要变复数并加上of,再加名词，如 hundreds of...
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( )1．There are ___________ days in a year．
A. three hundred and sixty five
B. three hundred and sixty-five
C. three hundreds and sixty five
D. three hundreds and sixty-five
( )2．Danny lives in __________．
A. room 404 B. Room 404 C. 404 room D. 404 Room
( )3．Jim is in __________．
A. class one，grade six B. grade one，class six C. Class One，Grade Six D. Grade One, Class Six
( )4．The bike costs me _________ yuan．
A. five hundred forty B. five hundreds fourty C. five hundred and forty D. five hundred fourty
( )5．My telephone number is ____________．
A. eighty eight two forty four zero nine B. eight eight two double four O nine C. eighty eight two forty-four zero nine D. eight eight two four four zero nine
课堂练习
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数词的定义和分类
数词概述
0-12各自不同
整十数
“几十几”的表达
基数词的构成和读法
数词的修饰词
高频考点
总结
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( )1. ---How many students are there in your class ---________.
A. Twenty nine B. Thirty and two C. Forty-five D. fifties
( )2. The year ―1999 should be read ― The year _________.
A. nineteen and ninety-nine B. nineteen hundred and ninety-nine
C. one thousand nine hundred and ninety-nine D. nineteen ninety-nine
( )2. – Today we are going to learn _______. – That’s nice, Mr. Wang.
A. Lesson Second B. the Lesson Two C. Lesson Two D. second lesson
( ) 4. The number 4,123 is read _______.
A. four thousand one hundred and twenty-three
B. four thousand and one hundred twenty-three
C. four thousand and a hundred and twenty-three
D. four thousands a hundred and twenty-three
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课后练习